... Lubricant Oil: Dehydration,Degassing,Demulsification,Removal of Impurity DYJ Multi-functional Oil Purifier/FilterLubricant Oil: Dehydration,Degassing,Demulsification,Removal of Impurity1 ... the oil liquid muddy, accelerates its oxidation, acidities, makes the additive precipitate; reduce the viscosity, lower lubrication.Air —— it will accelerate ...